13401043 has 2 divisors, whose sum is σ = 13401044. Its totient is φ = 13401042.

The previous prime is 13401041. The next prime is 13401053. The reversal of 13401043 is 34010431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13401043 - 2¹ = 13401041 is a prime.

Together with 13401041, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13401041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6700521 + 6700522.

It is an arithmetic number, because the mean of its divisors is an integer number (6700522).

Almost surely, 2^13401043 is an apocalyptic number.

13401043 is a deficient number, since it is larger than the sum of its proper divisors (1).

13401043 is an equidigital number, since it uses as much as digits as its factorization.

13401043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 13401043 is about 3660.7435037162. The cubic root of 13401043 is about 237.5269361877.

Adding to 13401043 its reverse (34010431), we get a palindrome (47411474).

The spelling of 13401043 in words is "thirteen million, four hundred one thousand, forty-three".